Erich E. Hoover : ntdll: Use st_rdev for special devices in get_mountmgr_fs_info.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 09c67c4809822e177d70d2a06d12f7f57ce01487
URL:    https://source.winehq.org/git/wine.git/?a=commit;h=09c67c4809822e177d70d2a06d12f7f57ce01487

Author: Erich E. Hoover <erich.e.hoover at gmail.com>
Date:   Thu Feb 11 15:27:51 2021 -0700

ntdll: Use st_rdev for special devices in get_mountmgr_fs_info.

Signed-off-by: Erich E. Hoover <erich.e.hoover at gmail.com>
Signed-off-by: Zebediah Figura <z.figura12 at gmail.com>
Signed-off-by: Alexandre Julliard <julliard at winehq.org>

---

 dlls/ntdll/unix/file.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/dlls/ntdll/unix/file.c b/dlls/ntdll/unix/file.c
index 6337433ed80..e147fb47391 100644
--- a/dlls/ntdll/unix/file.c
+++ b/dlls/ntdll/unix/file.c
@@ -1968,7 +1968,7 @@ static NTSTATUS get_mountmgr_fs_info( HANDLE handle, int fd, struct mountmgr_uni
         struct stat st;
 
         fstat( fd, &st );
-        drive->unix_dev = st.st_dev;
+        drive->unix_dev = st.st_rdev ? st.st_rdev : st.st_dev;
         drive->letter = 0;
     }
     else